Solid-state transformers (SSTs) are extensively studied nowadays to replace the line-frequency transformers (LFT) in various applications such as EV charging stations. The SST technology provides more controllability over the system, has the ability of power factor correction, and drastically reduces the size and weight of the whole system thanks to the medium-frequency transformer (MFT) used instead of LFT. In this paper, an optimized design tool is developed to design a 100 kW, 20 kHz transformer to be used in an SST-based EV charging station. The tool takes the system specifications as an input from the user then chooses the optimal core, number of turns, and Litz wire, to accelerate the design process. Two scaled-down 5 kW MFTs are implemented. The first was designed using the commonly used method in literature which ensures no saturation occurs in the core and limits the core losses to a certain value. Then, the transformer designed based on the developed tool is compared with the conventional design in terms of volume and efficiency. The transformer is also implemented and tested to compare the leakage inductance with the analytical and simulated values.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Transformer Design for Solid-State Transformer (SST)-Based EV Charging Station Applications


    Contributors:


    Publication date :

    2023-06-21


    Size :

    1925808 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



    Box transformer type charging station

    ZHANG BAOYIN / FANG YUJIE / HE WENYUAN et al. | European Patent Office | 2021

    Free access

    Solid State Transformer for Electric Vehicle Charging Infrastructure

    Atkar, Dipesh / Chaturvedi, Pradyumn / Suryawanshi, H M et al. | IEEE | 2020


    Distribution method and system for efficient charging based on charging station transformer power

    CHEN YONG / LIU HAOYANG | European Patent Office | 2023

    Free access

    Electric vehicle quick charging system based on two-stage solid-state transformer

    LU SIZHAO / LI SIQI / LIU ZHE | European Patent Office | 2024

    Free access

    Transformer substation integrated charging station and control method thereof

    LI JIANGUO / ZHANG YAJING / ZHAO YUMING et al. | European Patent Office | 2021

    Free access